Mercedes-Benz GL-Class: Additives in gasoline
One of the major problems with poor quality fuels is the creation of carbon deposits during the combustion process. Mercedes-Benz recommends that you use fuel brands containing additives that prevent the build-up of carbon deposits.
If you use fuels without these additives for an extended period of time, there may be a build up of carbon deposits, especially on the inlet valves and in the combustion chamber.
This could lead to engine running problems, e.g.:
• longer engine warm-up phase
• uneven idle
• engine noise
• misfiring
• loss of power
In areas where the availability of gasoline with relevant additives is not adequate, carbon deposits can form. In this case, Mercedes-Benz recommends the use of additives that have been approved for Mercedes-Benz vehicles.
Consult an authorized Mercedes-Benz Center or go to the Internet site http://www.mbusa.com (USA only) for a list of approved products. Observe the instructions for use on the product label.
Do not mix other fuel additives with fuel. This causes unnecessary costs and could damage the engine.
Do not refuel with low-grade fuel and do
not use fuel additives that are not tested
and approved for Mercedes-Benz vehicles.
Damage to or malfunctions of the fuel system may otherwise occur.
Fuel requirements
Gasoline engines
Use only premium-grade unleaded gasoline.
The octane number should be at least 91.
Details can be found on the gas pump. The
octane number is the average value of the
Researc ...
DEF
Important safety notes
For BlueTEC vehicles only.
DEF is a non-flammable, non-toxic, colorless,
odorless and water-soluble fluid.
Only use DEF that complies with
ISO 22241. Do not add any ...
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